/*******************************************************************************
 *  Copyright 2001, 2007 JamesLuo(JamesLuo.au@gmail.com)
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License"); you may not
 *  use this file except in compliance with the License. You may obtain a copy of
 *  the License at
 *  
 *  http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *  License for the specific language governing permissions and limitations under
 *  the License.
 * 
 *  Contributors:
 *******************************************************************************/


package com.gwtent.client.ui.validate;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


public class ValidateChainImpl implements ValidateChain {
	
	private List chains = new ArrayList();

	public void addValidate(Validate validate) {
		chains.add(validate);
	}

	public Iterator iterator() {
		return chains.iterator();
	}

	public void AsyncValidate(Object value, ValidateCallBack callBack)
			throws ValidateException {
		
		Iterator iterator = this.iterator();
		
		while (iterator.hasNext()){
			Validate validate = (Validate)iterator.next();
			
			validate.AsyncValidate(value, callBack);
		}

	}

	public void SyncValidate(Object value) throws ValidateException {
		Iterator iterator = this.iterator();
		
		while (iterator.hasNext()){
			Validate validate = (Validate)iterator.next();
			
			validate.SyncValidate(value);
		}

	}

}
